Anatomically there are many different parts of the knee from the bones that come together at the knee to the muscles that allow the knee to move. And because knees are the part of our body that basically lets us do different activities like running or standing up from a chair all of these parts need to function properly for us to be able to live our daily lives without pain or other inflammation symptoms that accompany different knee injuries and disorders. So you need to know a few of the most common injuries and disorders to the knees so...